This lists only the changes for the current release (v1.04) over the last
version, since HISTORY is now quite big:

* Split Math::Big into Math::BigInt, Math::Big and Math::String
* Math::Big has now the following functions to calculate certain
  trigonometric functions and usefull constants with arbitrary precision:
  euler, bernoulli, sin, cos, tan, sinh, cosh, arctan, arcsin, arcsinh, arctanh
* Split up Math::Big::Factors from Math::Big.pm
* Math::BigInt::Constant:
  + tests for bior(), band(), bxor(), bnan(), binf(), bceil() and bfloor()
  + fixed up doc to match current version

